/
main.go
65 lines (54 loc) · 1.21 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
package main
import (
"flag"
"os"
"path/filepath"
"github.com/alecthomas/participle/v2"
)
const (
LanguageGo = "go"
LanguageDart = "dart"
LanguageTypeScript = "ts"
LanguageRust = "rs"
LanguageCSharp = "cs"
)
func main() {
inputFile := flag.String("i", "", "input file")
outputFile := flag.String("o", "", "output file")
lang := flag.String("l", "", "output language")
flag.Parse()
if *inputFile == "" || *outputFile == "" || *lang == "" {
flag.Usage()
os.Exit(1)
}
data, err := os.ReadFile(*inputFile)
if err != nil {
panic(err)
}
parser := participle.MustBuild[Grammar]()
values, err := parser.ParseBytes("", data)
if err != nil {
panic(err)
}
if err := os.MkdirAll(filepath.Dir(*outputFile), 0755); err != nil {
panic(err)
}
var generator Generator
switch *lang {
case LanguageGo:
generator = NewGoGenerator()
case LanguageDart:
generator = NewDartGenerator()
case LanguageTypeScript:
generator = NewTypeScriptGenerator()
case LanguageRust:
generator = NewRustGenerator()
case LanguageCSharp:
generator = NewCSharpGenerator()
default:
panic("unknown language")
}
if err := generator.Generate(*outputFile, values); err != nil {
panic(err)
}
}